/* 
 * Copyright (C) 2022 Leah Rowe <info@minifree.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "../include/lib/file.h"

int loadGbeFile(uint8_t** buffer, char* path)
{
	FILE* fp = fopen(path, "rb");
	if (fp == NULL) {
		printf("E: could not open `%s`\n\n", path);
		return 0; }

	fseek(fp, 0L, SEEK_END);
	if (ftell(fp) != SIZE_8KB) {
		printf("E: Invalid file size (must be 8KiB)\n\n");
		goto fail; }

	rewind(fp);
	if (fread((*buffer),1,SIZE_8KB,fp) != SIZE_8KB) {
		printf("E: Could not read all data from file.\n\n");
		goto fail; }

	fclose(fp);
	return 1;
fail:
	fclose(fp);
	return 0;
}

int writeGbeFile(uint8_t** buffer, char* path)
{
	FILE* fp = fopen(path, "wb");
	if (fp == NULL) {
		printf("E: Cannot write to file.\n\n");
		return 0; }

	if (fwrite((*buffer), 1, SIZE_8KB, fp) != SIZE_8KB) goto fail;
	fclose(fp);
	return 1;
fail:
	printf("E: Could not write the entire file.\n\n");
	fclose(fp);
	return 0;
}
